/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 17:36:18,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 17:36:18,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 17:36:18,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 17:36:18,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 17:36:18,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 17:36:18,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 17:36:18,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 17:36:18,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 17:36:18,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 17:36:18,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 17:36:18,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 17:36:18,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 17:36:18,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 17:36:18,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 17:36:18,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 17:36:18,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 17:36:18,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 17:36:18,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 17:36:18,671 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 17:36:18,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 17:36:18,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 17:36:18,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 17:36:18,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 17:36:18,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-16 17:36:18,710 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 17:36:18,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 17:36:18,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 17:36:18,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf [2022-02-16 17:36:18,727 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 17:36:18,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 17:36:18,727 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 17:36:18,727 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 17:36:18,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 17:36:18,728 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 17:36:18,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 17:36:18,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 17:36:18,728 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 17:36:18,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 17:36:18,729 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 17:36:18,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 17:36:18,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 17:36:18,730 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-16 17:36:18,731 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 17:36:18,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 17:36:18,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 17:36:18,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 17:36:18,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 17:36:18,932 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 17:36:18,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-02-16 17:36:18,976 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e8bb3ad/79027ce3db744fd39ee1ea106fbb82d3/FLAG6868b9368 [2022-02-16 17:36:19,342 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 17:36:19,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c [2022-02-16 17:36:19,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e8bb3ad/79027ce3db744fd39ee1ea106fbb82d3/FLAG6868b9368 [2022-02-16 17:36:19,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10e8bb3ad/79027ce3db744fd39ee1ea106fbb82d3 [2022-02-16 17:36:19,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 17:36:19,769 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 17:36:19,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 17:36:19,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 17:36:19,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 17:36:19,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:19,783 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43fb902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19, skipping insertion in model container [2022-02-16 17:36:19,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:19,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 17:36:19,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 17:36:19,922 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-02-16 17:36:19,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 17:36:19,929 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 17:36:19,948 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x4.wvr.c[2309,2322] [2022-02-16 17:36:19,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 17:36:19,963 INFO L208 MainTranslator]: Completed translation [2022-02-16 17:36:19,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19 WrapperNode [2022-02-16 17:36:19,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 17:36:19,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 17:36:19,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 17:36:19,964 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 17:36:19,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:19,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,006 INFO L137 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-02-16 17:36:20,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 17:36:20,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 17:36:20,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 17:36:20,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 17:36:20,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 17:36:20,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 17:36:20,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 17:36:20,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 17:36:20,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (1/1) ... [2022-02-16 17:36:20,060 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 17:36:20,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 17:36:20,079 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 17:36:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 17:36:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-16 17:36:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-16 17:36:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-16 17:36:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-16 17:36:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-16 17:36:20,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 17:36:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-02-16 17:36:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 17:36:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 17:36:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 17:36:20,112 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 17:36:20,163 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 17:36:20,164 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 17:36:20,379 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 17:36:20,385 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 17:36:20,385 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-02-16 17:36:20,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:36:20 BoogieIcfgContainer [2022-02-16 17:36:20,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 17:36:20,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 17:36:20,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 17:36:20,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 17:36:20,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 05:36:19" (1/3) ... [2022-02-16 17:36:20,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d052a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:36:20, skipping insertion in model container [2022-02-16 17:36:20,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 05:36:19" (2/3) ... [2022-02-16 17:36:20,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d052a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 05:36:20, skipping insertion in model container [2022-02-16 17:36:20,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 05:36:20" (3/3) ... [2022-02-16 17:36:20,397 INFO L111 eAbstractionObserver]: Analyzing ICFG bench-exp2x4.wvr.c [2022-02-16 17:36:20,401 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 17:36:20,401 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 17:36:20,401 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 17:36:20,401 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 17:36:20,461 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,462 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,463 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,464 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,464 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,464 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,464 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,469 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,472 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,474 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,474 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,474 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,475 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,475 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 17:36:20,479 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-02-16 17:36:20,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 17:36:20,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 17:36:20,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 17:36:20,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 17:36:20,616 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 17:36:20,622 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 17:36:20,623 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-16 17:36:20,635 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 132 places, 129 transitions, 290 flow [2022-02-16 17:36:21,039 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 7558 states, 7557 states have (on average 5.038904327113934) internal successors, (38079), 7557 states have internal predecessors, (38079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:36:21,675 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-02-16 17:36:21,677 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 17:36:21,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:36:21,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1241120586, now seen corresponding path program 1 times [2022-02-16 17:36:21,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:36:21,693 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599091649] [2022-02-16 17:36:21,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:36:21,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:36:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 17:36:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 17:36:21,878 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 17:36:21,878 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599091649] [2022-02-16 17:36:21,879 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599091649] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 17:36:21,879 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 17:36:21,879 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 17:36:21,880 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001598893] [2022-02-16 17:36:21,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 17:36:21,882 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 17:36:21,882 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 17:36:21,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 17:36:21,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 17:36:21,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:21,897 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 17:36:21,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.0) internal successors, (94), 2 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:36:21,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:22,440 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 311 transitions and produced 312 states. [2022-02-16 17:36:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:22,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 17:36:22,442 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 17:36:22,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:36:22,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1807342392, now seen corresponding path program 1 times [2022-02-16 17:36:22,444 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:36:22,445 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796391381] [2022-02-16 17:36:22,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:36:22,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:36:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 17:36:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 17:36:22,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 17:36:22,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796391381] [2022-02-16 17:36:22,823 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796391381] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 17:36:22,823 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 17:36:22,823 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-16 17:36:22,823 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097260742] [2022-02-16 17:36:22,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 17:36:22,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-16 17:36:22,825 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 17:36:22,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-16 17:36:22,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-02-16 17:36:22,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:22,828 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 17:36:22,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.142857142857142) internal successors, (92), 7 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:36:22,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:22,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:26,096 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 1098 transitions and produced 1099 states. [2022-02-16 17:36:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 17:36:26,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 17:36:26,098 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-02-16 17:36:26,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 17:36:26,098 INFO L85 PathProgramCache]: Analyzing trace with hash -348324485, now seen corresponding path program 1 times [2022-02-16 17:36:26,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 17:36:26,098 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001456550] [2022-02-16 17:36:26,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 17:36:26,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 17:36:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 17:36:26,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 17:36:26,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 17:36:26,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001456550] [2022-02-16 17:36:26,349 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001456550] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 17:36:26,349 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 17:36:26,349 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-16 17:36:26,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323491977] [2022-02-16 17:36:26,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 17:36:26,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 17:36:26,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 17:36:26,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 17:36:26,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-02-16 17:36:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:26,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 17:36:26,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 17:36:26,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 17:36:26,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 17:36:26,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.